Merge "SF: update mTimestamps with the newest hwvsync timestamp" into sc-dev am: f75789e7c6 am: 222bae567b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/14909350

Change-Id: I5dabbb124e9663b093da0222d256f723c4ac429f